Use E-notation for large powers of 10

[slstatus.git] / components / temperature.c

diff --git a/components/temperature.c b/components/temperature.c
index b29eb86..bbec80b 100644 (file)
--- a/components/temperature.c
+++ b/components/temperature.c
@@ -9,8 +9,11 @@
        {
                int temp;
 
-               return (pscanf(file, "%d", &temp) == 1) ?
-                      bprintf("%d", temp / 1000) : NULL;
+               if(pscanf(file, "%d", &temp) != 1) {
+                       return NULL;
+               }
+
+               return bprintf("%d", temp / 1000);
        }
 #elif defined(__OpenBSD__)
        #include <errno.h>
@@ -21,14 +24,12 @@
        #include <sys/sysctl.h>
 
        const char *
-       temp(const char *file)
+       temp(const char *unused)
        {
                int mib[5];
                size_t size;
                struct sensor temp;
 
-               UNUSED(file); /* no temperature file on OpenBSD */
-
                mib[0] = CTL_HW;
                mib[1] = HW_SENSORS;
                mib[2] = 0; /* cpu0 */
@@ -38,12 +39,11 @@
                size = sizeof(temp);
 
                if (sysctl(mib, 5, &temp, &size, NULL, 0) < 0) {
-                       fprintf(stderr, "sysctl 'SENSOR_TEMP': %s\n",
-                               strerror(errno));
+                       warn("sysctl 'SENSOR_TEMP':");
                        return NULL;
                }
 
                /* kelvin to celsius */
-               return bprintf("%d", (temp.value - 273150000) / 1000000);
+               return bprintf("%d", (temp.value - 273150000) / 1E6);
        }
 #endif